Florian Eisele

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20102021

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math.RT2019

On the geometry of lattices and finiteness of Picard groups

Florian Eisele

Let $(K, O, k)$ be a $p$ -modular system with $k$ algebraically closed and $O$ unramified, and let $Λ$ be an $O$ -order in a separable $K$ -algebra. We call…

math.RT2019

On solvability of the first Hochschild cohomology of a finite-dimensional algebra

Florian Eisele, Theo Raedschelders

For an arbitrary finite-dimensional algebra $A$ , we introduce a general approach to determining when its first Hochschild cohomology $HH^{1} (A)$ , considered as a Lie algebra, i…